[w3m-dev 03509] HTML parser

* file.c (close_textarea): delete
	(HTMLtagproc1): rewrite
			delete HTML_EOL
			move HTML_LISTING, HTML_N_LISTING
			add HTML_PRE_PLAIN, HTML_N_PRE_PLAIN
			add HTML_PLAINTEXT
			end_tag
	(HTMLlineproc0): s/str/line/
			rewrite
	(completeHTMLstream): </textarea> if necessary
* fm.h (struct readbuffer): delete ignore_tag
			add end_tag
	(RB_XMPMODE): deleted
	(RB_LSTMODE): deleted
	(RB_SCRIPT): added
	(RB_STYLE): added
	(RB_*): renumber
	(R_ST_EOL): added
	(R_ST_*): renumber
	(ST_IS_TAG): check R_ST_EOL
* form.c (form_fputs_decode): remove <eol> handling
* frame.c (newFrame): remove_space()
	(CASE_TABLE_TAG): added
	(createFrameFile): rewrite
* html.c (TagMAP): delete eol
		add pre_plain, /pre_plain
* html.h (HTML_EOL): deleted
	(HTML_PRE_PLAIN): added
	(HTML_N_PRE_PLAIN): added
* table.c (visible_length): rewrite
	(visible_length_plain): added
	(maximum_visible_length_plain): added
	(do_refill): R_ST_EOL
	(table_close_select): end_tag
	(table_close_textarea): end_tag
	(TAG_ACTION_PLAIN): added
	(feed_table_tag): rewrite
	(feed_table): rewrite
* table.h (TBLM_*) reassign
	(struct table_mode): delete ignore_tag
			add end_tag
* tagtable.tab (eol): deleted
		(pre_plain): added
		(/pre_plain): added
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

tagtable.tab

@@ -154,7 +154,6 @@ input_alt	HTML_INPUT_ALT
 /input_alt	HTML_N_INPUT_ALT
 img_alt		HTML_IMG_ALT
 /img_alt	HTML_N_IMG_ALT
-eol		HTML_EOL
 pre_int		HTML_PRE_INT
 /pre_int	HTML_N_PRE_INT
 bgsound		HTML_BGSOUND
@@ -167,3 +166,5 @@ select_int	HTML_SELECT_INT
 option_int	HTML_OPTION_INT
 textarea_int	HTML_TEXTAREA_INT
 /textarea_int	HTML_N_TEXTAREA_INT
+pre_plain	HTML_PRE_PLAIN
+/pre_plain	HTML_N_PRE_PLAIN